Home / 238,669.24-357,780.30-80,787.16

Finding the Fourth Proportional to 238,669.24, 357,780.30 and 80,787.16

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Solution

The fourth proportional to 238,669.24, 357,780.30 and 80,787.16 is: 121,105.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,669.24 : 357,780.30 = 80,787.16 : x
  2. Step 2: Convert to fraction form
    238,669.24/357,780.30 = 80,787.16/x
  3. Step 3: Cross multiply
    238,669.24x = 357,780.30 × 80,787.16
  4. Step 4: Simplify right side
    238,669.24x = 28,904,054,340.95
  5. Step 5: Solve for x
    x = 28,904,054,340.95/238,669.24
  6. Step 6: Final answer
    x = 121,105.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.